REFACTOR: Use rescue inside do/end block

Follow up to 9cbbaf4237

app/services/user_updater.rb

@@ -149,7 +149,6 @@ class UserUpdater
 
     saved = nil
 
-    begin
     User.transaction do
       if attributes.key?(:muted_usernames)
         update_muted_users(attributes[:muted_usernames])
@@ -169,7 +168,6 @@ class UserUpdater
           attributes.fetch(:name) { '' }
         )
       end
-      end
     rescue Addressable::URI::InvalidURIError => e
       # Prevent 500 for crazy url input
       return saved